Files
Hipsterfy/hipsterfy/panel_page.py
2025-07-21 20:44:30 +02:00

185 lines
8.4 KiB
Python

import panel as pn
import base64
from io import BytesIO
from hipsterfy.hipsterfy import Hipsterfy, HipsterfyPlaylist, HipsterfyPlaylistItem, CardStyle
pn.extension("filedownload", "notifications", "location")
def create_panel_page(hipsterfy: Hipsterfy, playlist_uri: str=None) -> pn.Template:
# create widgets
playlist_uri = pn.widgets.TextInput(name='Playlist URI', value=playlist_uri or '', placeholder='Enter Spotify Playlist URI')
primary_item = pn.widgets.Select(name='Primary Item', options=HipsterfyPlaylistItem.get_available_properties(), value="release_year")
secondary_item = pn.widgets.Select(name='Secondary Item', options=HipsterfyPlaylistItem.get_available_properties(), value="title")
additional_items = pn.widgets.MultiChoice(name='Additional Items', options=HipsterfyPlaylistItem.get_available_properties(), value=["artists", "album", "popularity"])
card_style = pn.widgets.Select(name='Card Style', options=[style.value for style in CardStyle], value=CardStyle.FULL_ALBUM_COVER.value)
cards_per_row_widget = pn.widgets.IntSlider(name="Cards per Row in print", start=1, end=8, value=4, step=1)
pn.state.location.sync(playlist_uri, {"value": "playlist_uri"})
pn.state.location.sync(primary_item, {"value": "primary_item"})
pn.state.location.sync(secondary_item, {"value": "secondary_item"})
pn.state.location.sync(additional_items, {"value": "additional_items"})
pn.state.location.sync(card_style, {"value": "card_style"})
pn.state.location.sync(cards_per_row_widget, {"value": "cards_per_row"})
create_preview_button = pn.widgets.Button(name='Parse Playlist and Generate Cards', button_type='primary', sizing_mode='stretch_width')
front_cards_column = pn.Column(sizing_mode='stretch_width')
back_cards_column = pn.Column(sizing_mode='stretch_width')
# FileDownload-Buttons (werden erst nach Preview-Generierung angezeigt)
download_front_html_button = pn.widgets.FileDownload(
label="Download Front Cards (HTML)", button_type="success", visible=False, filename="hipsterfy_front_cards.html", sizing_mode='stretch_width'
)
download_back_html_button = pn.widgets.FileDownload(
label="Download Back Cards (HTML)", button_type="success", visible=False, filename="hipsterfy_back_cards.html", sizing_mode='stretch_width'
)
playlist_instructions = pn.pane.HTML(
"""
<div>
<h3>Playlist Instructions</h3>
<p>Select any Spotify playlist and click the "Parse Playlist and Generate Cards" button to generate the cards.</p>
<p><b>Note:</b> The playlist must be public accessible. Also dynamically individualized playlists (unfortunately a lot of spotify official playlists) Will not work.</p>
</div>
""",
sizing_mode='stretch_width'
)
print_instructions = pn.pane.HTML(
"""
<div>
<h3>Print Instructions</h3>
<p>To print the cards:</p>
<ol>
<li>Click on the "Download Front Cards" and "Download Back Cards" buttons to download the HTML files.</li>
<li>Open the downloaded files in your web browser.</li>
<li>Use your browser's print function (usually Ctrl+P or Cmd+P) to print the cards.</li>
<li>Make sure to first print all front cards, then all back cards on the back side of the paper.</li>
<li>Adjust the print settings to ensure the cards fit well on the page.</li
</ol>
</div>
""",
sizing_mode='stretch_width'
)
print_instructions.visible = False # Initially hidden, will be shown after preview generation
def generate_html(cards, row_reverse=False):
html = "<html><head><title>Print Cards</title>"
html += """
<style>
body { background: white; }
.card-row { display: flex; flex-direction: row; margin-bottom: 24px; }
.card { margin: 12px; }
@media print {
.card { page-break-inside: avoid; }
body, .card, .card-row {
-webkit-print-color-adjust: exact !important;
print-color-adjust: exact !important;
background: white !important;
}
}
</style>
"""
html += "</head><body>"
cards_per_row = cards_per_row_widget.value # <-- Widget-Wert verwenden
# Karten in Reihen zu je 3 anordnen
for i in range(0, len(cards), cards_per_row):
row = cards[i:i+cards_per_row]
if row_reverse:
row = row[::-1]
html += '<div class="card-row">'
for card in row:
html += f'<div class="card">{card}</div>'
html += '</div>'
html += "</body></html>"
return html.encode() # FileDownload erwartet Bytes
def update_download_buttons():
# Front Cards
cards = [pane.object for pane in front_cards_column[1:]]
download_front_html_button.callback = lambda: BytesIO(generate_html(cards, row_reverse=False))
download_front_html_button.visible = True
# Back Cards
cards_back = [pane.object for pane in back_cards_column[1:]]
download_back_html_button.callback = lambda: BytesIO(generate_html(cards_back, row_reverse=True))
download_back_html_button.visible = True
print_instructions.visible = True # Show print instructions after generating preview
pn.state.notifications.success("Download buttons updated successfully!. Download and print them from the sidebar")
def create_preview(event):
try:
pn.state.notifications.info("Generating preview for playlist...")
# clear previous cards
front_cards_column.clear()
back_cards_column.clear()
front_cards_column.loading = True
back_cards_column.loading = True
front_cards_column.append(pn.pane.HTML("<h2>Front Cards</h2>", sizing_mode='stretch_width'))
back_cards_column.append(pn.pane.HTML("<h2>Back Cards</h2>", sizing_mode='stretch_width'))
# get playlist URI
uri = playlist_uri.value.strip()
if not uri:
pn.state.notifications.error("Please enter a valid Spotify Playlist URI.")
return
# create HipsterfyPlaylist instance
hipsterfy_playlist = HipsterfyPlaylist(uri, hipsterfy)
new_back_cards = []
new_front_cards = []
# generate front and back cards for each item in the playlist
for item in hipsterfy_playlist.get_tracks_data():
front_card = item.generate_hipsterfy_front_card(include_preview=False, card_style=CardStyle(card_style.value))
back_card = item.generate_hipsterfy_back_card(
primary_property=primary_item.value,
secondary_property=secondary_item.value,
additional_properties=additional_items.value,
card_style=CardStyle(card_style.value)
)
new_front_cards.append(pn.pane.HTML(front_card, sizing_mode='stretch_width'))
new_back_cards.append(pn.pane.HTML(back_card, sizing_mode='stretch_width'))
for card in new_front_cards:
front_cards_column.append(card)
for card in new_back_cards:
back_cards_column.append(card)
pn.state.notifications.success("Preview generated successfully!")
pn.state.notifications.info("Prepare to download the cards as HTML files...")
update_download_buttons()
except Exception as e:
pn.state.notifications.error(f"Error generating preview: {str(e)}")
finally:
front_cards_column.loading = False
back_cards_column.loading = False
create_preview_button.on_click(create_preview)
template = pn.template.FastListTemplate(
title='Hipsterfy',
sidebar=[
playlist_instructions, playlist_uri, primary_item, secondary_item, additional_items, card_style,
cards_per_row_widget,
create_preview_button, download_front_html_button, download_back_html_button, print_instructions
],
main=[pn.Row(front_cards_column, back_cards_column, sizing_mode='stretch_width')],
accent_base_color='indigo',
header_background='indigo',
header_color='white'
)
return template